Handheld ventilator



FIG. 1 is a left isometric view of a handheld ventilator, showing our new design;

FIG. 2 is a right isometric view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is back view thereof; and,

FIG. 8 is front view thereof.

The broken lines in the figures are for purposes of illustrating environment only and form no part of the claimed design. 

CLAIM The ornamental design for a handheld ventilator, as shown and described. 